7th Grade Ch 13, Lesson 2 Test

Front

A_____________________________ system is a large body of circulating air that has low pressure at its center and higher pressure on the outside.

Back

low pressure

Front

In a low-pressure system, air moves from _________ to low pressure.

Back

high

Front

In a low-pressure system, air moves away from the _________________.

Back

outside

Front

In a low pressure system, Air in the center of the system __________, and the water vapor in it condenses and forms clouds.

Back

Rises

Front

A ______________________ system is a large body of circulating air that has high pressure at its center and lower pressure on the outside.

Back

high pressure

Front

High-pressure air at the center ________ and moves toward

Back

Sinks

Front

High-pressure systems bring ___________ skies.

Back

Clear

Front

______________ are large bodies of air that have distinct temperature and moisture characteristics.

Back

Air masses

Front

An air mass forms when a __________ pressure system lingers in one area for a few days.

Back

High

Front

Continental polar air masses are _________ and __________.

Back

Cold and Dry